Blower for cleaning furnace-flues.



W. P. SPARBOOM. BLOWER FOR CLEANING FURNACE FLUES. APPLICATION FILED JUNE 27. I916.

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WALTER P. PARBOOM, OF ROCHESTER, NEW YORK.

-IBLOWER FOR CLEANING FURNAGE-FLUES.

Specification of Letters Patent.

Patented June 12, 1917.

Application filed June 27, 1916. Serial No. 106,168.

To all whom it may concern:

Be it known that I, WALTER P. SPARBOOM, a citizen of the United States, and resident of Rochester, in the county of Monroe and State of New York, have invented certain new and useful Improvements in Blowers for Cleaning Furnace-Flues, of which the following is a specification.

The present invention relates to blowers for cleaning furnace flues and an object thereof is to provide a portable construction of light weight and small compass which may be used by a householder with little inconvenience. Another object of the invention is to provide a construction which is simple in operation and not liable to get out of order. A still further object of the invention is to provide a construction in which the compressor may be operated in a vertical.

line when the blower is attached to a wall register as well as a floor.

To these and other ends, the invention consists of certain parts and combinations of parts all of which will be hereinafter described, the novel features being pointed out in the appended claim.

In the drawings Figure 1 is a vertical section through a blower constructed in accordance with the present invention;

Fig. 2 is a section on the line c-a, Fig. 1; and

Fig. 3 is a vertical section showing the blower adjusted for connection to a wall register.

Referring more particularly to the draw ings, 1 indicates a head which may have a flange 2 projected from one side thereof and carrying a piece 3 of pliable sheet material secured by fastening strips 4 to the inner face of the flange 2 to overhang the. free edge of the flange in order to abut the face of the register 5. From the opposite face of the head 1 a circular flange 6 projects.

Any suitable means may be employed for securing the head in position on the register, but, in this instance, four securing devices 8 are used having hooks 9 for engaging the register 5, said fasteners being passed through openings 10 in the head so as to be operable from the exterior of the head.

A casing 11 preferably in the form of an open-ended cylinder has one end 12 fitting the flange 6, the extreme edges of the cylinder resting upon a packing 13 which lies upon the head 1 about the flange 6. This open-ended cylinder carries the air compressor which preferably is in the form of a substantially cylindrical bellows 15 having one end open and secured by a ring 16 to the in terior wall of the casing 11, the bellows being formed in this instance of oiled canvas reinforced at intervals by rings 17 to insure its collapse between the rings. The other end of the bellows is preferably in the form of a rigid head 18 provided with an air inlet valve 19 and having a socket member 20 to which the stem 21 of the handle 22 is detachably secured, the stem being guided preferably in a spider 23 which is secured tothe open end of the cylinder 11. A helically coiled spring 2 1 abuts at one end the rigid head 18 and at the other end is secured to the ring 16, this spring tending to expand the bellows after each compression of the latter.

To the end that the air compressor may be operated in a vertical direction when the blower is attached to a wall register, an elbow 25 may be employed which has an end 26 adapted to fit the flange 6 and an end 27 adapted to fit within the end 12 of the easing 11. For floor registers the parts are adjusted as shown in Fig. 1.

In using the device, the head 1 is firmly connected to the open end of the furnace flue at a register so that practically an air-tight joint is provided between the head and the register. After this, the casing 11 is connected to the head, if the register be in the floor, or the elbow 25 and the casing are connected as shown in Fig. 3, if the register be in the wall. The collapsing of the bellows forces a large body of air into the furnace flue and this air carries with it the dust particles which are caused to travel downreadily connected and disconnected from a register or the end of a furnace flue for the purpose of blowing the dust from the flue. The parts are simple in construction and operation and are not liable to get out of order. A vertical movement of the air compressor is permitted for either a floor regis e prising a valveless head provided With yielding sealing means for abutting a register, means on said head for detachably engaging Copies of this patent may be obtained for the register to hold the head in position, a 10 circular flange onsaid head, and an air compressor having a cyllndrlcal casing formed a at one end to fit the flange of the head, and

a movable piston member provided with an air valve Which opens when said member 1 moves away from the register.

WALTER r. SPARBOOM.

five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

